<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>border collapse dynamic change to rowspan cell style </title>
<style type="text/css">
td { border: 10px green outset;}
table {margin: 30px}
</style>
</head>
<body>
<table style="border-collapse:collapse">
  <tbody><tr><td>c11</td><td style="border-style:solid" rowspan="3">c12</td><td>c13</td></tr>
  <tr><td>c21</td><td>c23</td></tr>
  <tr><td>c31</td><td>c33</td></tr>
</tbody></table>

</body></html>